Patents by Inventor Juha Leppanen

Juha Leppanen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11904495
    Abstract: A log handling device, having a rotatable rotor provided with a log handler, and a feeder attached to the rotor for conducting an operating medium to the log handler. The feeder is arranged to wind around the rotor when the rotor is rotated in a first direction, and which feeder is arranged to unwind from around the rotor when the rotor is rotated in a second direction. The log handling device includes a rotatable second rotor to which the feeder is attached, and an operating device for rotating the second rotor synchronously with the rotor, such that the feeder is arranged to wind around the second rotor when the rotor is rotated in the second direction, and such that the feeder is arranged to unwind from around the second rotor when the rotor is rotated in the first direction.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: February 20, 2024
    Assignee: VEISTO OY
    Inventors: Juha Leppänen, Marko Marttila
  • Publication number: 20240005275
    Abstract: The embodiments relate to a system, devices, methods, and computer programs for determining a recipe for curable compositions. The system may receive information related to available sidestream based and/or virgin raw materials suitable for production of curable products. In addition, the system may receive a request to deliver a recipe for a curable end-product. The request may include target feature information of an end-product. The system may further determine the recipe for the requested end-product on basis of the received target information and the information related to the available raw materials. In addition, the system may provide separate user interface and/or communication interfaces for raw material producers and end-product manufacturers.
    Type: Application
    Filed: November 19, 2021
    Publication date: January 4, 2024
    Inventors: Juha Leppänen, Olli-Pekka Kallasvuo
  • Publication number: 20230279619
    Abstract: Foundation, apparatus and method for stabilization of a foundation. The foundation comprises a subsoil and a pavement structure formed over it, which pavement structure includes a plurality of successive structural layers. At least one of these structural layers is a binder-stabilized structural layer which includes stone materialand a binder. Additionally, the stabilized structural layer is enclosed within a sleeve structure.
    Type: Application
    Filed: July 6, 2021
    Publication date: September 7, 2023
    Inventor: Juha Leppanen
  • Patent number: 11688859
    Abstract: A voltage source includes two electrically conductive terminals (101, 102) with an electrolyte (103) between them. Said electrolyte (103) is a mixture in which the main component is ash produced in a power plant or an incineration plant.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: June 27, 2023
    Assignee: Betolar Oy
    Inventors: Juha Leppänen, Mirja Piispanen
  • Publication number: 20220297073
    Abstract: A mixer and a mixing unit for mixing and handling industrial side-stream materials. The mixer (6) is arranged onto a movable work machine (5) and it is used for mixing at least two side-stream materials to form a geopolymer. The mixer (6) comprises: a bucket part (27) for loading and transferring the side-stream material; a mixer apparatus (26) for mixing the side-stream material which has been loaded into the space delimited by the bucket part (27); a connecting device (25) for connecting the mixer (6) to a boom of a work machine (5); and at least one measuring device (S1, S2, S3) for determining properties of the material in the mixer (6).
    Type: Application
    Filed: June 3, 2020
    Publication date: September 22, 2022
    Inventor: Juha LEPPÄNEN
  • Publication number: 20220298071
    Abstract: An arrangement and a method for mixing and handling industrial side-stream materials. The mixer (6) is arranged onto a movable work machine (5) and it is used for mixing at least two side-stream materials to form a geopolymer. The side-stream materials are processed between a waste pile (4) and a casting area (13) in the mixer (6). Cast paste is allowed to harden and after that it is crushed to obtain an earthwork material.
    Type: Application
    Filed: June 3, 2020
    Publication date: September 22, 2022
    Inventor: Juha LEPPÄNEN
  • Publication number: 20220184844
    Abstract: A log handling device, having a rotatable rotor provided with log handler, and a feeder attached to the rotor for conducting an operating medium to the log handler. The feeder is arranged to wind around the rotor when the rotor is rotated in a first direction, and which feeder is arranged to unwind from around the rotor when the rotor is rotated in a second direction. The log handling device includes a rotatable second rotor to which the feeder is attached, and an operating device for rotating the second rotor synchronously with the rotor, such that the feeder is arranged to wind around the second rotor when the rotor is rotated in the second direction, and that the feeder is arranged to unwind from around the second rotor when the rotor is rotated in the first direction.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 16, 2022
    Applicant: VEISTO OY
    Inventors: Juha LEPPÄNEN, Marko MARTTILA
  • Publication number: 20210119225
    Abstract: A voltage source includes two electrically conductive terminals (101, 102) with an electrolyte (103) between them. Said electrolyte (103) is a mixture in which the main component is ash produced in a power plant or an incineration plant.
    Type: Application
    Filed: March 13, 2019
    Publication date: April 22, 2021
    Applicant: Betolar Oy
    Inventors: Juha LEPPÄNEN, Mirja PIISPANEN
  • Publication number: 20210119249
    Abstract: A voltage source includes two electrically conductive terminals (101, 102) with an electrolyte (103) between them. Said electrolyte (103) is a mixture in which the main components are aluminium and silicon oxides.
    Type: Application
    Filed: March 13, 2019
    Publication date: April 22, 2021
    Applicant: Betolar Oy
    Inventors: Juha LEPPÄNEN, Mirja PIISPANEN
  • Patent number: 4717957
    Abstract: The invention relates to a video compression method to be employed in connection with the conditional replenishment transmission and receiving method. In the transmitter there are detected such areas of the image that are changed with respect to the previous image, and the picture information representing the occurred changes, along with the addresses of the respective picture areas, is sent into the transmission channel. In the receiver there is reconstructed the new image on the basis of the previous image and the picture information representing the occurred changes.
    Type: Grant
    Filed: August 13, 1986
    Date of Patent: January 5, 1988
    Assignee: Valtion teknillinen tutkimuskeskus
    Inventors: Harry Santamaki, Juha Leppanen, Pontti Haikonen, Ilkka Korhonen